1.The ear tips Compatible with Oneplus buds4 and buds3,please noticed earbuds not included,only eartips.Available color: blue,green, storm grey. 2.The soft silicone ear tips are comfortable to wear, no pain after long-time wear, sound insulation and noise reduction, 3 sizes L M S can put into the charging case,the size comes with earbdus is M. 3.Packing comes with a storage box for storing spare eartips ,protect from being lost or soiled.you can choose mixed sizes. 4.It is easy to replace the ear tips,just take off the old one,put the new one. 5.GETAO is professional manufacturing silicon ear tips for most earbuds,when you are not sure if you can use it,please send us the earbuds model number,we can confirm it.